Hand grip exerciser



FIG. 1 is a perspective view of a design for a hand grip exerciser showing my new design;

FIG. 2 is a front elevational view.

FIG. 3 is a rear elevational view.

FIG. 4 is a left side elevational view.

FIG. 5 is a right side elevational view.

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom plan view. 

CLAIM The ornamental design for a hand grip exerciser, as shown and described. 